EUVD-2026-21798

| CVE-2026-34853 HIGH
2026-04-13 huawei GHSA-gmm9-3v86-m9wj
7.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
Apr 13, 2026 - 04:24 vuln.today

Tags

Authentication Bypass Harmonyos Emui

Description

Permission bypass vulnerability in the LBS module. Impact: Successful exploitation of this vulnerability may affect availability.

Analysis

Permission bypass in Huawei HarmonyOS and EMUI LBS (Location-Based Services) module enables highly-privileged local attackers with user interaction to achieve full compromise across security contexts (confidentiality, integrity, availability impact). CVSS 7.7 HIGH severity. …

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Remediation

Within 24 hours: Inventory all Huawei devices running HarmonyOS and EMUI in your environment and document current firmware versions. Within 7 days: Contact Huawei support to confirm availability of patched firmware versions and establish a patch timeline; restrict local administrator account access to essential personnel only and enforce multi-factor authentication where supported. …

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

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EUVD-2026-21798 vulnerability details – vuln.today
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